Ключевые слова: adult, architect, authority, belt, builder, building, built, business, company, connection, construction, construction site, contractor, crafts person, development, engineer, equipment, examining, expertise, focus on foreground, foreman, glasses, halflength, hardhat, helmet, home addition, industry, man, management, manufacturing, mechanic, outdoors, people, professional, project, repairing, safety, service, standing, structure, success, sunshine, supervisor, tool, trainee, wear, work, worker, working,